Click on the third or sixth rank to set the en passant target square.

Book: ∞ / 0

# move proof disproof
1 Rg7 0
2 Nd7 0
3 Rc8 0
4 d4 0
5 Re8 0
6 Rb8 0
7 h5 0
8 a5 0
9 a6 0
10 g5 0
11 Rh8 0
12 Nh7 0
13 Rd8 0